4046720405 has 32 divisors (see below), whose sum is σ = 6029662464. Its totient is φ = 2538740736.

The previous prime is 4046720401. The next prime is 4046720437. The reversal of 4046720405 is 5040276404.

It is not a de Polignac number, because 4046720405 - 2² = 4046720401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046720401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12062 + ... + 90768.

It is an arithmetic number, because the mean of its divisors is an integer number (188426952).

Almost surely, 2^4046720405 is an apocalyptic number.

It is an amenable number.

4046720405 is a deficient number, since it is larger than the sum of its proper divisors (1982942059).

4046720405 is a wasteful number, since it uses less digits than its factorization.

4046720405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78845.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 4046720405 is about 63613.8381564892. The cubic root of 4046720405 is about 1593.5574795926.

Adding to 4046720405 its reverse (5040276404), we get a palindrome (9086996809).

The spelling of 4046720405 in words is "four billion, forty-six million, seven hundred twenty thousand, four hundred five".